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Official data from INPI

PROCESSO PARA A APLICAÇÃO DE UM REVESTIMENTO ELETRICAMENTE ISOLANTE SOBRE CHAPA DE AÇO

Em AnáliseInvention Patent

Application data

Number

PI8603362

Type

Invention Patent

Filing

07/17/1986

Publication

02/24/1987

Progress at the INPI

  1. Filing07/17/86
  2. Publication02/24/87
  3. Examination05/16/89
  4. Allowance01/26/93
  5. Grant07/27/93
  6. Terminated10/03/95

The patent was granted on 07/27/1993 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stahlwerke Bochum AG

DE

Inventors

D. Q. (pessoa física)

US

H. D. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 35 25 430.0 · 07/17/1985

DE

P 35 39 774.8 · 11/09/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/16/1989

RPI 969

Publicação do pedido de patente

#3.1

02/24/1987

RPI 853

Pedido de patente depositado

#2.1

12/30/1986

RPI 845

Anuidade - prazo legal encerrado

#18.2

10/03/1995

RPI 1296

Concessão da patente

#16.1

07/27/1993

RPI 1182

Notificação para pagamento de retribuição

#13.1

05/11/1993

RPI 1171

Deferimento

#9.1

01/26/1993

RPI 1156

Exigência - art. 36 da LPI

#6.1

05/26/1992

RPI 1121

Exigência - art. 36 da LPI

#6.1

10/29/1991

RPI 1091

14.1

03/01/1990

RPI 1007

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